Samantha measured 140.5 inches. Over the next 5.5 years, she grew to a height of 57 inches. During the 5.5 years, what was average yearly change in samantha's height? math answer

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be